Sofa



FIG. 1 is a front perspective view showing my new sofa;

FIG. 2 is a front perspective of my new sofa from the side opposite that in FIG. 1;

FIG. 3 is a front elevational view of my new sofa of FIG. 1;

FIG. 4 is a rear elevational view of my new sofa of FIG. 1;

FIG. 5 is a side elevational view of my new sofa of FIG. 1 from the right side thereof;

FIG. 6 is a side elevational view of my new sofa of FIG. 1 from the left side thereof;

FIG. 7 is a top plan view of my new sofa of FIG. 1; and,

FIG. 8 is a bottom plan view of my new sofa of FIG. 1. 

CLAIM The ornamental design for a sofa, as shown and described. 